akashic
1876–2024
Quincy, IL-MO·Illinois

Quincy, IL-MO has voted Republican in fifteen straight presidential elections — R+49 in 2024.

A river-crossing metro where Illinois suburbs and Missouri farmland vote in tandem

1876 — 2024·38 elections
IL
LatestR+49in 2024
TypologyFarm Beltcluster typology
Population74,6782024 ACS

Quincy, IL-MO, Illinois: Farm Belt metro. In 2024, voted R+49%. Republican peak: R+49 in 2024.

Key facts

2024 presidential margin
R+49MIT Election Lab
Political typology
Farm BeltAkashic typology
Population
74,6782024 5-year
Median household income
$65,3852024 5-year
White (non-Hispanic)
90.7%2024 5-year
Black
2.9%2024 5-year
Hispanic / Latino
2.0%2024 5-year
Peak Democratic margin
D+36 in 1932MIT Election Lab
Peak Republican margin
R+49 in 2024MIT Election Lab
2024 presidential election
Quincy, IL-MO
TrumpR+49
—
2024 presidential margin by county for Quincy, IL-MO, ILA map of the constituent counties of Quincy, IL-MO, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Adams County, IL · R+47Lewis County, MO · R+60
How it voted
Share of the 2024 vote
Donald Trump ✓Republican73.7%26,726
Kamala HarrisDemocratic24.8%8,983
OtherAll other candidates1.5%543
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: −48.9% in 2024.flipped R · 1968−48.9%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+14.1%
1896+3.0%
1900+9.1%
1904−2.1%
1908+10.0%
1912+30.8%
1916+10.9%
1920−16.9%
1924−1.0%
1928−6.4%
1932+36.3%
1936+19.3%
1940−0.1%
1944−2.7%
1948+6.5%
1952−15.3%
1956−21.5%
1960−9.5%
1964+17.3%
1968−16.0%
1972−37.1%
1976−16.5%
1980−25.3%
1984−29.5%
1988−4.1%
1992−2.9%
1996−5.8%
2000−15.9%
2004−31.6%
2008−21.7%
2012−34.1%
2016−47.6%
2020−47.6%
2024−48.9%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−48.9%
8,98326,72636,252
R
−47.6%
9,61727,77338,146
R
−47.6%
8,61026,13436,790
R
−34.1%
11,15623,09334,976
R
−21.7%
13,63121,30535,325
R
−31.6%
12,26523,69636,121
R
−15.9%
14,22019,71934,593
R
−5.8%
13,38615,28932,587
R
−2.9%
13,94414,99036,141
R
−4.1%
16,22817,63433,983
R
−29.5%
12,31322,66335,064
R
−25.3%
12,92022,19236,706
R
−16.5%
14,41220,17234,982
R
−37.1%
10,75023,46934,279
R
−16.0%
13,58819,48236,750
D
+17.3%
21,60215,23236,834
R
−9.5%
17,55321,23438,815
R
−21.5%
14,13021,87036,032
R
−15.3%
16,19722,06838,294
D
+6.5%
18,11515,89334,172
R
−2.7%
16,61617,55234,321
R
−0.1%
20,84520,90842,275
D
+19.3%
22,71615,10839,376
D
+36.3%
24,84411,47536,812
R
−6.4%
16,09718,33134,739
R
−1.0%
12,10912,40130,524
R
−16.9%
10,76415,66228,926
D
+10.9%
16,62513,28730,611
D
+30.8%
9,2923,73718,021
D
+10.0%
10,7338,70620,307
R
−2.1%
8,3518,74418,588
D
+9.1%
11,4279,48921,304
D
+3.0%
10,64910,02821,049
D
+14.1%
9,9667,40318,209
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Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
31.6%
English
10.3%
Irish
10.0%
American
6.6%
Italian
1.9%
Scottish
1.7%
French
1.5%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 40.9 in this county, 39.1 nationally
Male
Age
Female
0.9%
85+
1.9%
3.0%
75–84
3.3%
5.5%
65–74
5.8%
6.8%
55–64
6.9%
5.6%
45–54
5.5%
5.8%
35–44
6.0%
6.0%
25–34
5.8%
4.5%
18–24
4.5%
8.4%
5–17
8.2%
2.9%
<5
2.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$65,385
Quincy, IL-MO ranks near the middle of US counties.
Quincy, IL-MO$65,385
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
12.8%
Child poverty is below the national average.
Children under 1814.3%
Working age (18–64)12.1%
Seniors (65+)14.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.6%
speak English only
Spanish1.0%
Other Indo-European0.8%
Asian & Pacific Islander0.4%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Other Christian
30.4%
Catholic & Orthodox
20.3%
Mainline Protestant
9.3%
Baptist
4.9%
Methodist
3.6%
Pentecostal & Holiness
1.3%
Non-Christian
1.0%
Source · 2020 US Religion Census. Remaining 29.1% of residents not counted as adherents by any reporting body.

Straddling the Mississippi, the Quincy metro pairs a mid-sized Illinois city with rural Missouri counties, producing a reliably conservative regional tilt that has widened in presidential cycles over the past decade.

Across the recorded series it reached a Democratic high of thirty-six points in 1932 and a Republican high of forty-nine points in 2024. Between 2020 and 2024 the metro moved one point toward the Republican candidate; the 2024 margin was forty-nine points.

A population of 74,678, a 91% non-Hispanic-white share, and a median household income of $65,385 describe the metro.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Quincy, IL-MO, Illinois. Akashic. https://akashic.app/cbsa/39500/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Quincy, IL-MO, Illinois vote in 2024?
In 2024, Quincy, IL-MO, Illinois voted Republican by 48.9 points (R+49), carried by the Republican candidate. Out of 36,252 votes cast, 8,983 went Democratic and 26,726 went Republican.
What is Quincy, IL-MO, Illinois's political typology?
Akashic places Quincy, IL-MO, Illinois in the "Farm Belt" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the metro has voted Democratic 10 times, Republican 24 times, and other 0 times.
When did Quincy, IL-MO, Illinois last vote Democratic?
The most recent presidential election in which Quincy, IL-MO, Illinois voted Democratic was 1964.
How many people live in Quincy, IL-MO, Illinois?
Quincy, IL-MO, Illinois has a population of 74,678 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Quincy, IL-MO, Illinois?
Median household income in Quincy, IL-MO, Illinois is $65,385 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Quincy, IL-MO, Illinois?
Akashic tracks 38 presidential elections in Quincy, IL-MO, Illinois from 1876 to 2024. Of those, 10 went Democratic and 24 went Republican. The metro's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.